Falling asleep might feel like switching off, but it marks the start of the night shift for your brain, and it’s one of its busiest and most important times. While your body rests, your brain goes into maintenance mode. It clears waste, sorts memories, regulates emotions, and quietly restores your ability to think, feel and function the next day. What looks like mere rest from the outside is, in fact, a critical window for deep repair and reorganisation within.
One of your brain’s most vital overnight jobs is housekeeping. All day long, it works hard to keep you thinking, responding, remembering and reacting.
In the process, it produces waste, a natural by-product. This includes proteins, harmless in small amounts but increasingly harmful if allowed to build up.
A build-up has…
